Home / 90,386.67-124,736.85-54,569.73

Finding the Fourth Proportional to 90,386.67, 124,736.85 and 54,569.73

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Solution

The fourth proportional to 90,386.67, 124,736.85 and 54,569.73 is: 75,308.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,386.67 : 124,736.85 = 54,569.73 : x
  2. Step 2: Convert to fraction form
    90,386.67/124,736.85 = 54,569.73/x
  3. Step 3: Cross multiply
    90,386.67x = 124,736.85 × 54,569.73
  4. Step 4: Simplify right side
    90,386.67x = 6,806,856,225.55
  5. Step 5: Solve for x
    x = 6,806,856,225.55/90,386.67
  6. Step 6: Final answer
    x = 75,308.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.